If you have a doctor's reccomendation the ticket will be dismissed. Alternatively, your $500 ticket is just an infraction, although with the high fee it's arguable, so there is not reduction below an infraction. Please contact me for a free consultation if you would like to discuss your options further.

The State Board of Equalization has probably sent you a return. If not you should contact them at 800-400-7115. If you have received the return, you have thirty days to dispute liability or pay the debt.
Extreme hardship might not be your best defense, but perhaps they will negotiate the amount owed.

Your attorney can definately handle the debtor's exam. But when you are collecting on a small debt, you can use the court's self-help page located at:
www.sdcourt.ca.gov/portal/page?_pageid=55,1665742&_dad=portal&_schema=PORTAL
If you have any other questions your attorney or any attorney with collection experience can provide guidance.

The worse thing that could happen is that he could go to jail for battery or even a worse crime depending on the circumstances. If he is innocent, he will need to hire a attorney that can pursue his interests. If the polcie arrested him they likely have some case against him. You need to prepare for his defense by hiring a attorney. Likely there will be a good defense if he did not do it. So contact an attorney soon so that he can get this handled faster adn before the evidence against him...

Hearsay is an out of court statement offered for the truth of the matter asserted. The label is not hearsay because it's not being offered to prove that the shirt cost $19.95. I also don't think that it will be offered to prove it's a GAP sweater, their offering it to prove it was stolen.
You may be able to object based on that the picture is not the best evidence and the actual label should be produced. You could also have a chain of custody problem where the security guard will not know...

Incarcerated people give up some of their rights, but not all. He cannot be forced to sign anything giving up additional rights, and should contact an attorney that deals with civil rights, as indicated by the other attorneys.

You need to send them a letter requesting that they verify the debt, and do not contact you by phone. If they do sue you, you can possibly counter sue for violations of the FDCPA, breach of the agreement, and this might actually end up making you money. So the short answer is to not sweat it after you take some preliminary steps.

You should absolutely contact a lawyer. If you've violated the terms of probation, you could be held responsible for all the penalties associated with your DUI. You should try to finish all the terms of probation, and get that terminated. this way, hopefully you can fly under the radar if you're ultimately found guilty of the open container ticket.